Children (16 direct children, 64 direct and indirect children):
Prionechinus
(tree size 6)
Trigonocidaris
(tree size 13)
Desmechinus
(tree size 3)
Asterechinus
(tree size 1)
Hypsiechinus
(tree size 1)
Javanechinus
(tree size 2)
Ortholophus
(tree size 7)
Cryptechinus
(tree size 1)
Scolechinus
Leptopleurus
Goniosigma
(tree size 3)
Monilechinus
(tree size 1)
Orechinus
(tree size 1)
Arbacina
(tree size 7)
Grammechinus
(tree size 1)
Tatechinus
(tree size 1)